diff options
| author | Steven Rostedt (Red Hat) <rostedt@goodmis.org> | 2014-01-14 12:33:33 -0500 |
|---|---|---|
| committer | Steven Rostedt <rostedt@goodmis.org> | 2014-02-20 12:13:11 -0500 |
| commit | f1b21c9a40704dfdf7b8423c7d2969ea31c9857d (patch) | |
| tree | 6dcba7a8b72290fb91f855b950fcf4338f1711b2 /kernel | |
| parent | 607e2ea167e56db84387f3ab97e59a862e101cab (diff) | |
tracing: Only let top level have option files
Currently, only the top level instance can have tracing options.
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/trace/trace.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c index 944cd021aabf..da9543cdbe7a 100644 --- a/kernel/trace/trace.c +++ b/kernel/trace/trace.c | |||
| @@ -3968,9 +3968,11 @@ static int tracing_set_tracer(struct trace_array *tr, const char *buf) | |||
| 3968 | free_snapshot(tr); | 3968 | free_snapshot(tr); |
| 3969 | } | 3969 | } |
| 3970 | #endif | 3970 | #endif |
| 3971 | destroy_trace_option_files(topts); | 3971 | /* Currently, only the top instance has options */ |
| 3972 | 3972 | if (tr->flags & TRACE_ARRAY_FL_GLOBAL) { | |
| 3973 | topts = create_trace_option_files(tr, t); | 3973 | destroy_trace_option_files(topts); |
| 3974 | topts = create_trace_option_files(tr, t); | ||
| 3975 | } | ||
| 3974 | 3976 | ||
| 3975 | #ifdef CONFIG_TRACER_MAX_TRACE | 3977 | #ifdef CONFIG_TRACER_MAX_TRACE |
| 3976 | if (t->use_max_tr && !had_max_tr) { | 3978 | if (t->use_max_tr && !had_max_tr) { |